Ending civil war politics

Sir, – Given that both Micheál Martin and Leo Varadkar have ruled out the possibility of either party entering a government with Sinn Féin, and, given the two parties’ power-sharing strategy at local level, to the exclusion of Sinn Féin, would it be premature to give credit to Sinn Féin for bringing an end to civil war politics in this State? – Yours, etc,